EA-43240 - AIOOBE: ClassReader.a

Index out of bounds from ASM
This commit is contained in:
Andrey Breslav
2013-01-28 21:22:29 +04:00
parent d633dd7bb7
commit 17b4a5a15c
@@ -17,6 +17,7 @@
package org.jetbrains.jet.plugin.versions;
import com.google.common.collect.Maps;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.fileTypes.StdFileTypes;
import com.intellij.openapi.util.Ref;
import com.intellij.openapi.vfs.VirtualFile;
@@ -31,12 +32,14 @@ import org.jetbrains.asm4.Opcodes;
import org.jetbrains.jet.lang.resolve.java.AbiVersionUtil;
import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
import java.lang.Throwable;
import java.util.Map;
/**
* Important! This is not a stub-based index. And it has its own version
*/
public class KotlinAbiVersionIndex extends ScalarIndexExtension<Integer> {
private static final Logger LOG = Logger.getInstance(KotlinAbiVersionIndex.class);
public static final KotlinAbiVersionIndex INSTANCE = new KotlinAbiVersionIndex();
@@ -58,32 +61,37 @@ public class KotlinAbiVersionIndex extends ScalarIndexExtension<Integer> {
final Map<Integer, Void> result = Maps.newHashMap();
final Ref<Boolean> annotationPresent = new Ref<Boolean>(false);
ClassReader classReader = new ClassReader(inputData.getContent());
classReader.accept(new ClassVisitor(Opcodes.ASM4) {
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
if (!JvmStdlibNames.JET_CLASS.getDescriptor().equals(desc) &&
!JvmStdlibNames.JET_PACKAGE_CLASS.getDescriptor().equals(desc)) {
return null;
}
annotationPresent.set(true);
return new AnnotationVisitor(Opcodes.ASM4) {
@Override
public void visit(String name, Object value) {
if (JvmStdlibNames.ABI_VERSION_NAME.equals(name)) {
if (value instanceof Integer) {
Integer abiVersion = (Integer) value;
result.put(abiVersion, null);
}
else {
// Version is set to something weird
result.put(AbiVersionUtil.INVALID_VERSION, null);
try {
ClassReader classReader = new ClassReader(inputData.getContent());
classReader.accept(new ClassVisitor(Opcodes.ASM4) {
@Override
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
if (!JvmStdlibNames.JET_CLASS.getDescriptor().equals(desc) &&
!JvmStdlibNames.JET_PACKAGE_CLASS.getDescriptor().equals(desc)) {
return null;
}
annotationPresent.set(true);
return new AnnotationVisitor(Opcodes.ASM4) {
@Override
public void visit(String name, Object value) {
if (JvmStdlibNames.ABI_VERSION_NAME.equals(name)) {
if (value instanceof Integer) {
Integer abiVersion = (Integer) value;
result.put(abiVersion, null);
}
else {
// Version is set to something weird
result.put(AbiVersionUtil.INVALID_VERSION, null);
}
}
}
}
};
}
}, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);
};
}
}, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);
}
catch (Throwable e) {
LOG.warn("Indexing ABI version for file " + inputData.getFile(), e);
}
if (annotationPresent.get() && result.isEmpty()) {
// No version at all: the class is too old